| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.57 | -0.15 |
| Feb | 2.88 | 2.98 | -0.10 |
| Mar | 4.09 | 4.14 | -0.05 |
| Apr | 3.88 | 3.96 | -0.08 |
| May | 3.98 | 4.04 | -0.06 |
| Jun | 4.48 | 4.58 | -0.10 |
| Jul | 4.64 | 4.68 | -0.04 |
| Aug | 4.36 | 4.46 | -0.10 |
| Sep | 4.24 | 4.26 | -0.02 |
| Oct | 4.28 | 4.30 | -0.02 |
| Nov | 3.48 | 3.45 | 0.03 |
| Dec | 4.33 | 4.33 | 0.00 |
48.06 | 48.75 | -0.69 |